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Message-ID: <20070423144759.5875dec5@the-village.bc.nu>
Date: Mon, 23 Apr 2007 14:47:59 +0100
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: akpm@...l.org, paulus@...ba.org, linux-kernel@...r.kernel.org
Subject: [PATCH] PPC pci_32: Stop using old hotplug unsafe APIs
pci_find_slot isn't hot-plug safe. Move this code to the pci hotplug safe equivalent and hold a refcount
properly while doinmg make_one_node_map.
Signed-off-by: Alan Cox <alan@...hat.com>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.21-rc6-mm1/arch/powerpc/kernel/pci_32.c linux-2.6.21-rc6-mm1/arch/powerpc/kernel/pci_32.c
--- linux.vanilla-2.6.21-rc6-mm1/arch/powerpc/kernel/pci_32.c 2007-04-12 14:14:43.000000000 +0100
+++ linux-2.6.21-rc6-mm1/arch/powerpc/kernel/pci_32.c 2007-04-23 12:20:22.007864440 +0100
@@ -656,10 +656,13 @@
reg = get_property(node, "reg", NULL);
if (!reg)
continue;
- dev = pci_find_slot(pci_bus, ((reg[0] >> 8) & 0xff));
- if (!dev || !dev->subordinate)
+ dev = pci_get_bus_and_slot(pci_bus, ((reg[0] >> 8) & 0xff));
+ if (!dev || !dev->subordinate) {
+ pci_dev_put(dev);
continue;
+ }
make_one_node_map(node, dev->subordinate->number);
+ pci_dev_put(dev);
}
}
-
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